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 * be used to endorse or promote products derived from this software without
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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package org.hisp.dhis.minmax;

import static org.hisp.dhis.test.utils.Assertions.assertContainsOnly;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;

import com.google.common.collect.Lists;
import java.util.ArrayList;
import java.util.List;
import org.hisp.dhis.category.CategoryOptionCombo;
import org.hisp.dhis.category.CategoryService;
import org.hisp.dhis.dataelement.DataElement;
import org.hisp.dhis.dataelement.DataElementService;
import org.hisp.dhis.organisationunit.OrganisationUnit;
import org.hisp.dhis.organisationunit.OrganisationUnitService;
import org.hisp.dhis.test.integration.PostgresIntegrationTestBase;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestInstance;
import org.junit.jupiter.api.TestInstance.Lifecycle;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

/**
 * @author Kristian Nordal
 */
@TestInstance(Lifecycle.PER_CLASS)
@Transactional
class MinMaxDataElementStoreTest extends PostgresIntegrationTestBase {
  @Autowired private DataElementService dataElementService;

  @Autowired private OrganisationUnitService organisationUnitService;

  @Autowired private CategoryService categoryService;

  @Autowired private MinMaxDataElementStore minMaxDataElementStore;

  @Test
  void testBasic() {
    OrganisationUnit ouA = createOrganisationUnit('A');
    OrganisationUnit ouB = createOrganisationUnit('B');
    organisationUnitService.addOrganisationUnit(ouA);
    organisationUnitService.addOrganisationUnit(ouB);
    DataElement deA = createDataElement('A');
    DataElement deB = createDataElement('B');
    DataElement deC = createDataElement('C');
    DataElement deD = createDataElement('D');
    dataElementService.addDataElement(deA);
    dataElementService.addDataElement(deB);
    dataElementService.addDataElement(deC);
    dataElementService.addDataElement(deD);
    CategoryOptionCombo optionCombo = categoryService.getDefaultCategoryOptionCombo();
    MinMaxDataElement valueA = new MinMaxDataElement(deA, ouA, optionCombo, 0, 100, false);
    MinMaxDataElement valueB = new MinMaxDataElement(deB, ouB, optionCombo, 0, 100, false);
    MinMaxDataElement valueC = new MinMaxDataElement(deC, ouB, optionCombo, 0, 100, false);
    MinMaxDataElement valueD = new MinMaxDataElement(deD, ouB, optionCombo, 0, 100, false);
    minMaxDataElementStore.save(valueA);
    long idA = valueA.getId();
    minMaxDataElementStore.save(valueB);
    minMaxDataElementStore.save(valueC);
    minMaxDataElementStore.save(valueD);

    assertNotNull(minMaxDataElementStore.get(idA));
    assertTrue(minMaxDataElementStore.get(idA).getMax() == 100);
    List<DataElement> dataElements1 = new ArrayList<>();
    dataElements1.add(deA);
    List<DataElement> dataElements2 = new ArrayList<>();
    dataElements2.add(deB);
    dataElements2.add(deC);
    dataElements2.add(deD);
    assertNotNull(minMaxDataElementStore.get(ouA, deA, optionCombo));
    assertNull(minMaxDataElementStore.get(ouB, deA, optionCombo));
    assertEquals(1, minMaxDataElementStore.get(ouA, dataElements1).size());
    assertEquals(3, minMaxDataElementStore.get(ouB, dataElements2).size());
    minMaxDataElementStore.delete(valueA);
    assertNull(minMaxDataElementStore.get(idA));
  }

  @Test
  void testGetBySourceDataElements() {
    OrganisationUnit ouA = createOrganisationUnit('A');
    OrganisationUnit ouB = createOrganisationUnit('B');
    organisationUnitService.addOrganisationUnit(ouA);
    organisationUnitService.addOrganisationUnit(ouB);
    DataElement deA = createDataElement('A');
    DataElement deB = createDataElement('B');
    DataElement deC = createDataElement('C');
    DataElement deD = createDataElement('D');
    dataElementService.addDataElement(deA);
    dataElementService.addDataElement(deB);
    dataElementService.addDataElement(deC);
    dataElementService.addDataElement(deD);
    CategoryOptionCombo optionCombo = categoryService.getDefaultCategoryOptionCombo();
    MinMaxDataElement valueA = new MinMaxDataElement(deA, ouA, optionCombo, 0, 100, false);
    MinMaxDataElement valueB = new MinMaxDataElement(deB, ouA, optionCombo, 0, 100, false);
    MinMaxDataElement valueC = new MinMaxDataElement(deC, ouA, optionCombo, 0, 100, false);
    MinMaxDataElement valueD = new MinMaxDataElement(deD, ouB, optionCombo, 0, 100, false);
    minMaxDataElementStore.save(valueA);
    minMaxDataElementStore.save(valueB);
    minMaxDataElementStore.save(valueC);
    minMaxDataElementStore.save(valueD);

    List<MinMaxDataElement> values = minMaxDataElementStore.get(ouA, List.of(deA, deB));

    assertContainsOnly(List.of(valueA, valueB), values);
  }

  @Test
  void testQuery() {
    OrganisationUnit ouA = createOrganisationUnit('A');
    OrganisationUnit ouB = createOrganisationUnit('B');
    organisationUnitService.addOrganisationUnit(ouA);
    organisationUnitService.addOrganisationUnit(ouB);
    DataElement deA = createDataElement('A');
    DataElement deB = createDataElement('B');
    DataElement deC = createDataElement('C');
    DataElement deD = createDataElement('D');
    dataElementService.addDataElement(deA);
    dataElementService.addDataElement(deB);
    dataElementService.addDataElement(deC);
    dataElementService.addDataElement(deD);
    CategoryOptionCombo optionCombo = categoryService.getDefaultCategoryOptionCombo();
    MinMaxDataElement valueA = new MinMaxDataElement(deA, ouA, optionCombo, 0, 100, false);
    MinMaxDataElement valueB = new MinMaxDataElement(deB, ouB, optionCombo, 0, 100, false);
    MinMaxDataElement valueC = new MinMaxDataElement(deC, ouB, optionCombo, 0, 100, false);
    MinMaxDataElement valueD = new MinMaxDataElement(deD, ouB, optionCombo, 0, 100, false);
    minMaxDataElementStore.save(valueA);
    minMaxDataElementStore.save(valueB);
    minMaxDataElementStore.save(valueC);
    minMaxDataElementStore.save(valueD);
    MinMaxDataElementQueryParams params = new MinMaxDataElementQueryParams();
    List<String> filters = Lists.newArrayList();
    filters.add("dataElement.id:eq:" + deA.getUid());
    params.setFilters(filters);
    List<MinMaxDataElement> result = minMaxDataElementStore.query(params);

    assertNotNull(result);
    assertEquals(1, result.size());
    params = new MinMaxDataElementQueryParams();
    filters.clear();
    filters.add("min:eq:0");
    params.setFilters(filters);
    result = minMaxDataElementStore.query(params);
    assertNotNull(result);
    assertEquals(4, result.size());
    filters.clear();
    filters.add("dataElement.id:in:[" + deA.getUid() + "," + deB.getUid() + "]");
    params.setFilters(filters);
    result = minMaxDataElementStore.query(params);
    assertNotNull(result);
    assertEquals(2, result.size());
  }

  @Test
  @DisplayName("retrieving min max data elements by data element returns expected entries")
  void getMinMaxDataElementsByDataElement() {
    // given
    DataElement deW = createDataElementAndSave('W');
    DataElement deX = createDataElementAndSave('X');
    DataElement deY = createDataElementAndSave('Y');
    DataElement deZ = createDataElementAndSave('Z');

    createMinMaxDataElementAndSave(deW);
    createMinMaxDataElementAndSave(deX);
    createMinMaxDataElementAndSave(deY);
    createMinMaxDataElementAndSave(deZ);

    // when
    List<MinMaxDataElement> allByDataElement =
        minMaxDataElementStore.getByDataElement(List.of(deW, deX));

    // then
    assertEquals(2, allByDataElement.size());
    assertTrue(
        allByDataElement.stream()
            .map(mmde -> mmde.getDataElement().getUid())
            .toList()
            .containsAll(List.of(deW.getUid(), deX.getUid())));
  }

  private DataElement createDataElementAndSave(char c) {
    DataElement de = createDataElement(c);
    dataElementService.addDataElement(de);
    return de;
  }

  private MinMaxDataElement createMinMaxDataElementAndSave(DataElement de) {
    OrganisationUnit ou = createOrganisationUnit(de.getName());
    organisationUnitService.addOrganisationUnit(ou);
    MinMaxDataElement minMaxDataElement =
        new MinMaxDataElement(
            de, ou, categoryService.getDefaultCategoryOptionCombo(), 0, 100, false);
    minMaxDataElementStore.save(minMaxDataElement);
    return minMaxDataElement;
  }
}
